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Class 172/501 - Lost motion connection between actuator and tool


Subclass of Class 172 - Earth working
Definition: Apparatus in which the connection between the actuator and
No. of patents: 40
Last issue date: 03/23/2004


NumberTitleIssue Date
6708775Field marker for implements
A field marker attachable to an outer end of an agricultural implement comprises an arm pivotally attachable to the implement extending perpendicular to the travel direction. A marking device is attached at a distal end of the arm. An extendable hydraulic cylinder i...
03/23/2004
6467552Land levelling device
Preferably the land levelling device (1) includes a support frame (2) on which is mounted a front, transversely extending, blade (3), a rear, transversely extending, blade (4), and a coupler (5) for, in use, attaching the land levelling device to a towing...
10/22/2002
6167972Unfold finger for a forwardly folding planting implement
An agricultural implement is provided with a forward folding tool bar that is pivotally mounted on the draw bar for rotation about a transverse pivot axis as part of the folding and unfolding of the tool bar. The tool bar is provided with a tower apparatu...
01/02/2001
5771980Soil leveling apparatus with improved frame and hitch
An improved soil leveling apparatus includes a hitch (202 or 302) for connecting the frame to the loader arms and tilt cylinder(s) of a skid steer loader. The hitch (302) includes a hitch plate (304) that can selectively be made rigid with the frame or ca...
06/30/1998
5727638Down pressure system with free float extension
An opener for use in varying ground conditions, ranging from no-till to conventional full tillage conditions, includes an adjustable down pressure control and a down pressure spring and tension link assembly which selectively provide a limited free float ...
03/17/1998
5511625Soil leveling apparatus with improved frame and hitch
An improved soil leveling apparatus includes a hitch (202 or 302) for connecting the frame to the loader arms and tilt cylinder(s) of a skid steer loader. The hitch (302) includes a hitch plate (304) that can selectively be made rigid with the frame or ca...
04/30/1996
5413181Rake attachment for a skid steer
A rake attachment for use on a skid steer, which can be used for multiple lawn and grounds preparation activities, such as grading, filling, leveling and scarifying. The rake attachment of this invention combines several useful attachment functions into a...
05/09/1995
5213164Soil leveling apparatus with improved frame and hitch
An improved soil leveling apparatus (10) includes a frame (12), connecting hitch means (14), and adjustable lost motion linkage (48) secured to the top connection point (52) of the hitch, and an optional scarifier assembly (16) which is supported on a con...
05/25/1993
5209307Rear mounted grader for vehicles
A rear mounted grader for vehicles comprises a plate member adapted to be vertically secured to the vehicle frame behind the wheels. A pair of rearwardly extending arms are pivotally mounted on the plate member and are provided with a sliding member secur...
05/11/1993
5135057Agricultural implement lifting mechanism
A lifting apparatus for an agricultural implement, the apparatus includes first and second frame members, with the second frame member pivotally movable relative to the first member about a horizontal axis. To move the second member relative to the first ...
08/04/1992
5088563Hydraulic folding system for farm implements
A folding system for large, agricultural implements which includes special stops, push-off arms, and support stands to avoid putting excessive strain on the hydraulic system or the implement. Special floating links are also provided on each wing section o...
02/18/1992
5024280Soil leveling apparatus with improved frame and hitch
An improved soil leveling apparatus (10) includes a frame (12), connecting hitch means (14), and adjustable lost motion linkage (48) secured to the top connection point (52) of the hitch, and an optional scarifier assembly (16) which is supported on a con...
06/18/1991
4883127Sprayer marker
A field marker for attachment to a sprayer boom has an outer square tube clamped to the end of the spray boom. An inner square tube slides in the outer tube and is connected to it by a pair of coil springs that bias the inner tube downwardly. An hydraulic...
11/28/1989
4808062Apparatus for picking up rocks
An apparatus for picking up rocks, which attaches to an agricultural tractor and functions to pick up rocks located on or partially embedded in the soil of a field, is provided. The three embodiments disclosed all function in a similar manner with one fix...
02/28/1989
4793733Scarifier
A scarifier suspended beneath the body of an automotive vehicle such that it is vertically movable by means of cylinders. It comprises a suspending frame provided on a main frame vertically movable by means of the cylinders so that it may be freely slidab...
12/27/1988
4721048Trash seeder
The invention is directed to a trash seeder having a seeding tyne and a following press wheel. A hydraulic cylinder applies pressure to both the seeding tyne and the press wheel. The press wheel is pivoted to the frame by a trailing arm and the tyne is pi...
01/26/1988
4615397Agricultural implement with double wing folding mechanism using toggle linkage and hydraulic actuator
A five section implement uses a pair of folding mechanisms to fold primary and secondary wing sections above a central main section. The folding mechanisms are disposed mainly on the top side of the primary wing sections thereby providing adequate space o...
10/07/1986
4609322Mounting for a linkage arrangement
Earthmoving vehicles are often provided with a linkage arrangement on one end that is utilized to manipulate a work implement, such as a loader bucket. The linkage typically includes a tilting arrangment for the bucket that incorporates a tilt lever that ...
09/02/1986
4535848Wing lift for foldable implements
Wings of multiple section farm implements are folded by hydraulic cylinders each having a knee joint between the piston rod and a single arm which swings against a lug on the wing as the rod is actuated to lift the wing. A trunnion-notch arrangement opera...
08/20/1985
4530405Planter row marker
A row marker for a planting implement having a floatation slot formed in an extendable marker link arm. The link arm slot is generally longitudinal to the link arm and has a transverse hooked portion at the outer end. Engagement of the end pin of an activ...
07/23/1985
4516639Powered landscape rake
A powered landscape rake for fine grading of and for stone and debris removal from a landscape surface is shown according to the teachings of the present invention. The rake of the present invention includes a drum rotatably mounted in a drum frame. The d...
05/14/1985
4512416Flat fold implement frame
The normally horizontal frame of a wheeled farm implement, such as used for tillage purposes, has a center section at the ends of which are hinged a pair of wing sections that are fully foldable into overlying, substantially parallel relationship to the c...
04/23/1985
4509602Agricultural implement with hinge connection for folding cross shaft
A hinge connection for a wheel supporting, segmented cross shaft of a winged implement permits the wing to be folded to a transport position in any raised or lowered position of the implement. The hinge connection includes a pin carried by a laterally out...
04/09/1985
4509438Combination implement for agricultural cultivation
A combination implement for agricultural cultivation has a main frame liftably connectable with a pulling or dragging machine and supporting a cultivating device, and an auxiliary frame carrying a crumbler roller which supports the combination implement d...
04/09/1985
4373591Implement and last motion hitch locking mechanism therefor
A hitch locking mechanism for an implement or the like having a frame and transport wheels movable between lowered transport positions wherein the frame is raised for transport and raised positions wherein the frame is lowered for an operating mode, and h...
02/15/1983
4371039Tool bar control for agricultural implement
A tool bar control mechanism for an agricultural implement or the like having a frame, a pair of generally transverse tool bars mounted on the frame for rotation about their longitudinal axes and carrying ground working tools such as spring teeth for move...
02/01/1983
4318444Telescoping hinge member on rearwardly folding tool bar
An agricultural implement is disclosed which includes a center section and a plurality of wing sections foldable with respect to each other. A plurality of ground-working tools extend downwardly and rearwardly from the sections of the implement at spaced ...
03/09/1982
4252198Ground levelling attachment for tractors
A support member for stationary support from a tractor forward of a ground wheel thereof and an elongated front to rear extending mount has its front end supported from the support member for pivotal movement of the mount between a predetermined rearwardl...
02/24/1981
4249616Folding implement and folding support therefor
A multiple section fold-up agricultural implement is provided with a folding support (61) for the outboard section (13). When the outboard section (13) is pivoted from its aligned position with the adjacent implement section (12), as shown in FIG. 2, to i...
02/10/1981
4232747Farm implement and control structure for wing sections thereof
A farm implement has a number of normally horizontal sections for supporting ground-engaging tools, hingedly interconnected such that the outer sections may be folded upwardly and inwardly to a reduced width for transport and storage. A folding assembly s...
11/11/1980
4178998Folding mechanism for a multiple section agricultural implement
A multiple section agricultural implement having laterally inner and outer wing sections on laterally opposite sides of a central section for relative folding movement about longitudinal axes by hydraulically powered folding mechanisms. The lost motion co...
12/18/1979
4159038Folding earthworking implement and stops therefore
The earthworking implement has a primary frame section and a wing frame section attached to each side of the primary frame section. A folding mechanism is provided for folding each wing frame section to a transport position. The folding mechanism includes...
06/26/1979
4158391Soil aerating device
Disclosed herein is a soil aerating device which is adapted for connection to a powered vehicle, which includes a first frame rotatably supporting a drum carrying a plurality of core-forming tines adapted to penetrate the ground or turf to be aerated and ...
06/19/1979
4116140Press wheel depth control for grain drill furrow openers
A depth control for grain drills, planters or the like utilizing a press wheel which can be adjusted to control the depth of each individual furrow opener to insure uniform depth of planting across the width of wide machines presently in use....
09/26/1978
4090624Round bale transporter
Apparatus for handling, transporting, and unrolling large cylindrical bales of hay, including a frame mountable in the box of a pickup truck or on its own wheels. Hydraulic controls and actuators are provided for pivoting a bale fork about a horizontal ax...
05/23/1978
4074766Floating folding tool bar having a lock means
A farm implement tool bar includes a main frame section having a wing section pivotally connected thereto and operated by a hydraulic cylinder located in a passageway in the main frame. The pivotal connection between the hydraulic cylinder and the wing se...
02/21/1978
4047575Foldup implement with lift arrangement for wing thereof
Power operated mechanisms are provided to operate a foldup implement which includes a double-acting hydraulic jack interconnected between a foldup wing section and a main section. The jack has a lost motion connection with the main section permitting the ...
09/13/1977
4031965Tillage tool wing folding kit
A wing folding or lift kit adapted to be easily installed on the central frame members of foldable, multi-sectioned earthworking implements to selectively move pivotally mounted side sections or wings. A centrally mounted floating hydraulic cylinder has l...
06/28/1977
4029155Floating mount for agricultural finish tools
A trailing floating mount for agricultural finish tools is connected to the wheeled frame of an implement carriage and includes an elongated, longitudinally oriented finish tool draw bar attached to the carriage by a double-stop bracket which allows the b...
06/14/1977
3944001Hydraulic folding mechanism for discs and the like
A hydraulically operated folding mechanism for ground working implements wherein substantially rectilinear movement of the piston rod of a hydraulic actuator causes one section of the implement to rotate substantially 180° relative to another section the...
03/16/1976
 
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